Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9NWI callsign genealogy
Currently held by Northwest Indiana Skywarn
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K9NWI's current licensee, walking backwards.
- McMenamin, Ryan TINgranted 2020-04-18cancelled 2023-07-18
Successor callsigns
Callsigns held now by people who previously held K9NWI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9NWI, oldest first.
- Northwest Indiana Skywarn IN2003-08-19 → cancelled 2015-08-20
- McMenamin, Ryan T IN2023-07-18 active